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A simple closed-form analytical model for the column buckling of omega-stinger-stiffened panels with periodic boundary conditions

Schilling, Jakob C. ; Mittelstedt, Christian (2020):
A simple closed-form analytical model for the column buckling of omega-stinger-stiffened panels with periodic boundary conditions.
In: Results in Engineering, 6, Elsevier, ISSN 2590-1230,
DOI: 10.25534/tuprints-00013361,
[Article]

Abstract

During the preliminary design of stiffened panels, the stability behaviour is critical and both buckling modes, global and local, have to be considered in order to avoid panel configurations in which the minimum stiffness of the stringers is not achieved. In the present work, a new simple computational model is presented that computes the critical column buckling load of an omega-stringer-stiffened panel with periodic boundary conditions. This is achieved by obtaining the effective stiffness properties for an equivalent composite column. The model is able to predict column buckling conservatively as numerical studies show and can easily be used, e.g. as a constraint for optimization studies.

Item Type: Article
Erschienen: 2020
Creators: Schilling, Jakob C. ; Mittelstedt, Christian
Origin: Secondary publication via sponsored Golden Open Access
Title: A simple closed-form analytical model for the column buckling of omega-stinger-stiffened panels with periodic boundary conditions
Language: English
Abstract:

During the preliminary design of stiffened panels, the stability behaviour is critical and both buckling modes, global and local, have to be considered in order to avoid panel configurations in which the minimum stiffness of the stringers is not achieved. In the present work, a new simple computational model is presented that computes the critical column buckling load of an omega-stringer-stiffened panel with periodic boundary conditions. This is achieved by obtaining the effective stiffness properties for an equivalent composite column. The model is able to predict column buckling conservatively as numerical studies show and can easily be used, e.g. as a constraint for optimization studies.

Journal or Publication Title: Results in Engineering
Journal volume: 6
Publisher: Elsevier
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institute for Lightweight Construction and Design (KluB)
Date Deposited: 25 Aug 2020 10:46
DOI: 10.25534/tuprints-00013361
Official URL: https://doi.org/10.1016/j.rineng.2020.100120
URN: urn:nbn:de:tuda-tuprints-133619
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